ICS91.120.25 CCSP15 21 辽宁省地方标准 DB21/T3929—2024 区域性地震安全性评价技术规范 Technicalspecificationforregionalseismicsafetyevaluation 2024-02-29发布 2024-03-29实施 辽宁省市场监督管理局  发布 DB21/T3929—2024 I目次 前言.................................................................................III 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4总体要求.............................................................................2 4.1评价内容.........................................................................2 4.2工作内容.........................................................................2 5评价程序.............................................................................3 6区域地震活动性和地震构造评价.........................................................3 6.1区域地震活动性分析...............................................................3 6.2区域地震构造评价.................................................................4 7近场区地震活动性和地震构造评价.......................................................5 7.1近场区范围和图件比例尺...........................................................5 7.2地震活动性.......................................................................5 7.3地震构造.........................................................................5 8目标区断层活动性评价.................................................................6 8.1目标区主要断层勘查...............................................................6 8.2目标区主要断层活动性鉴定.........................................................6 8.3目标区地震构造分析...............................................................6 9目标区地震工程地质条件勘测...........................................................7 9.1图件比例尺.......................................................................7 9.2工程地质条件资料调查.............................................................7 9.3地球物理勘探.....................................................................7 9.4地震工程地质条件钻孔勘察.........................................................7 9.5场地岩土动力性质测量.............................................................8 9.6资料处理.........................................................................8 10地震动预测方程确定..................................................................8 10.1地震动预测方程表达..............................................................8 10.2基岩地震动预测方程确定..........................................................8 11概率地震危险性评价..................................................................8 11.1地震统计区划分..................................................................8 11.2潜在震源区划分..................................................................8 11.3地震活动性参数确定..............................................................9 11.4地震危险性分析计算..............................................................9 12目标区地震动参数确定...............................................................10 12.1目标区地震反应分析模型的建立...................................................10 12.2目标区输入地震动时程的确定.....................................................10